Home / 10,647.21-15,972.74-4,403.83

Finding the Fourth Proportional to 10,647.21, 15,972.74 and 4,403.83

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Solution

The fourth proportional to 10,647.21, 15,972.74 and 4,403.83 is: 6,606.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.21 : 15,972.74 = 4,403.83 : x
  2. Step 2: Convert to fraction form
    10,647.21/15,972.74 = 4,403.83/x
  3. Step 3: Cross multiply
    10,647.21x = 15,972.74 × 4,403.83
  4. Step 4: Simplify right side
    10,647.21x = 70,341,246.06
  5. Step 5: Solve for x
    x = 70,341,246.06/10,647.21
  6. Step 6: Final answer
    x = 6,606.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.